54437532618 has 32 divisors (see below), whose sum is σ = 127463495040. Its totient is φ = 15174224640.

The previous prime is 54437532599. The next prime is 54437532637. The reversal of 54437532618 is 81623573445.

It is an interprime number because it is at equal distance from previous prime (54437532599) and next prime (54437532637).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15804763 + ... + 15808206.

It is an arithmetic number, because the mean of its divisors is an integer number (3983234220).

Almost surely, 2^54437532618 is an apocalyptic number.

54437532618 is an abundant number, since it is smaller than the sum of its proper divisors (73025962422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54437532618 is a wasteful number, since it uses less digits than its factorization.

54437532618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31613022.

The product of its digits is 2419200, while the sum is 48.

The spelling of 54437532618 in words is "fifty-four billion, four hundred thirty-seven million, five hundred thirty-two thousand, six hundred eighteen".